Convert Cup (US) (cup) to Imperial gallon (gal UK) (gal_uk)
Category: Volume
1 cup = 0.052042 gal_uk
High-precision rounding: 6 decimals
How to convert cup (us) to imperial gallon (gal uk)
We convert by pivoting through the SI base unit for Volume and applying exact factors where applicable.
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Quick conversion table
Handy values for Cup (US) → Imperial gallon (gal UK). Click a value to open that exact result.
Conversion formula
Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Common mistakes
- Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
- Assuming kitchen ‘cup’ equals the same volume in every country.
Unit facts
- Cup (US): A US cup is ≈236.588 mL. Recipe ‘cups’ vary by country—convert carefully.
- Imperial gallon (gal UK): The Imperial gallon is exactly 4.54609 L; still used in the UK for beer, milk, and fuel economy.
About Volume
Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).
About Cup (US)
Cup (US)
≈ 236.588 mL. Informal cooking measure; exact value may vary by country and cookbook conventions.
History: Culinary traditions standardized local cup sizes; US customary cup is common in recipes and nutrition.
About Imperial gallon (gal UK)
Imperial gallon (UK)
Exactly 4.54609 L. Still appears in UK fuel economy (mpg) and historical tables.
History: Set by the 1824 Weights and Measures Act; differs notably from the US gallon.
Related conversions from cup
Related conversions to gal_uk
- bbl → gal_uk Barrel (oil, bbl)
- ft3 → gal_uk Cubic foot (ft³)
- in3 → gal_uk Cubic inch (in³)
- m3 → gal_uk Cubic meter (m³)
- l → gal_uk Liter (L)
- ml → gal_uk Milliliter (mL)